Simulation of a flash-flood event over the Adriatic Sea with a high-resolution atmosphere–ocean–wave coupled system

Abstract On the morning of September 26, 2007, a heavy precipitation event (HPE) affected the Venice lagoon and the neighbouring coastal zone of the Adriatic Sea, with 6-h accumulated rainfall summing up to about 360 mm in the area between the Venetian mainland, Padua and Chioggia. The event was tri...

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Autores principales:	Antonio Ricchi, Davide Bonaldo, Guido Cioni, Sandro Carniel, Mario Marcello Miglietta
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b81415603fe54cc7bd2f5113c1fdc21b
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spelling	oai:doaj.org-article:b81415603fe54cc7bd2f5113c1fdc21b2021-12-02T17:39:32ZSimulation of a flash-flood event over the Adriatic Sea with a high-resolution atmosphere–ocean–wave coupled system10.1038/s41598-021-88476-12045-2322https://doaj.org/article/b81415603fe54cc7bd2f5113c1fdc21b2021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88476-1https://doaj.org/toc/2045-2322Abstract On the morning of September 26, 2007, a heavy precipitation event (HPE) affected the Venice lagoon and the neighbouring coastal zone of the Adriatic Sea, with 6-h accumulated rainfall summing up to about 360 mm in the area between the Venetian mainland, Padua and Chioggia. The event was triggered and maintained by the uplift over a convergence line between northeasterly flow from the Alps and southeasterly winds from the Adriatic Sea. Hindcast modelling experiments, using standalone atmospheric models, failed to capture the spatial distribution, maximum intensity and timing of the HPE. Here we analyze the event by means of an atmosphere-wave-ocean coupled numerical approach. The combined use of convection permitting models with grid spacing of 1 km, high-resolution sea surface temperature (SST) fields, and the consistent treatment of marine boundary layer fluxes in all the numerical model components are crucial to provide a realistic simulation of the event. Inaccurate representations of the SST affect the wind magnitude and, through this, the intensity, location and time evolution of the convergence zone, thus affecting the HPE prediction.Antonio RicchiDavide BonaldoGuido CioniSandro CarnielMario Marcello MigliettaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Antonio Ricchi Davide Bonaldo Guido Cioni Sandro Carniel Mario Marcello Miglietta Simulation of a flash-flood event over the Adriatic Sea with a high-resolution atmosphere–ocean–wave coupled system
description	Abstract On the morning of September 26, 2007, a heavy precipitation event (HPE) affected the Venice lagoon and the neighbouring coastal zone of the Adriatic Sea, with 6-h accumulated rainfall summing up to about 360 mm in the area between the Venetian mainland, Padua and Chioggia. The event was triggered and maintained by the uplift over a convergence line between northeasterly flow from the Alps and southeasterly winds from the Adriatic Sea. Hindcast modelling experiments, using standalone atmospheric models, failed to capture the spatial distribution, maximum intensity and timing of the HPE. Here we analyze the event by means of an atmosphere-wave-ocean coupled numerical approach. The combined use of convection permitting models with grid spacing of 1 km, high-resolution sea surface temperature (SST) fields, and the consistent treatment of marine boundary layer fluxes in all the numerical model components are crucial to provide a realistic simulation of the event. Inaccurate representations of the SST affect the wind magnitude and, through this, the intensity, location and time evolution of the convergence zone, thus affecting the HPE prediction.
format	article
author	Antonio Ricchi Davide Bonaldo Guido Cioni Sandro Carniel Mario Marcello Miglietta
author_facet	Antonio Ricchi Davide Bonaldo Guido Cioni Sandro Carniel Mario Marcello Miglietta
author_sort	Antonio Ricchi
title	Simulation of a flash-flood event over the Adriatic Sea with a high-resolution atmosphere–ocean–wave coupled system
title_short	Simulation of a flash-flood event over the Adriatic Sea with a high-resolution atmosphere–ocean–wave coupled system
title_full	Simulation of a flash-flood event over the Adriatic Sea with a high-resolution atmosphere–ocean–wave coupled system
title_fullStr	Simulation of a flash-flood event over the Adriatic Sea with a high-resolution atmosphere–ocean–wave coupled system
title_full_unstemmed	Simulation of a flash-flood event over the Adriatic Sea with a high-resolution atmosphere–ocean–wave coupled system
title_sort	simulation of a flash-flood event over the adriatic sea with a high-resolution atmosphere–ocean–wave coupled system
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/b81415603fe54cc7bd2f5113c1fdc21b
work_keys_str_mv	AT antonioricchi simulationofaflashfloodeventovertheadriaticseawithahighresolutionatmosphereoceanwavecoupledsystem AT davidebonaldo simulationofaflashfloodeventovertheadriaticseawithahighresolutionatmosphereoceanwavecoupledsystem AT guidocioni simulationofaflashfloodeventovertheadriaticseawithahighresolutionatmosphereoceanwavecoupledsystem AT sandrocarniel simulationofaflashfloodeventovertheadriaticseawithahighresolutionatmosphereoceanwavecoupledsystem AT mariomarcellomiglietta simulationofaflashfloodeventovertheadriaticseawithahighresolutionatmosphereoceanwavecoupledsystem
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Simulation of a flash-flood event over the Adriatic Sea with a high-resolution atmosphere–ocean–wave coupled system

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